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Finding the Fourth Proportional to 243,987.34, 366,015.99 and 75,522.46

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Solution

The fourth proportional to 243,987.34, 366,015.99 and 75,522.46 is: 113,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,987.34 : 366,015.99 = 75,522.46 : x
  2. Step 2: Convert to fraction form
    243,987.34/366,015.99 = 75,522.46/x
  3. Step 3: Cross multiply
    243,987.34x = 366,015.99 × 75,522.46
  4. Step 4: Simplify right side
    243,987.34x = 27,642,427,964.14
  5. Step 5: Solve for x
    x = 27,642,427,964.14/243,987.34
  6. Step 6: Final answer
    x = 113,294.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.